EP4035384A4 - FILTERS FOR INTERPOLATION BY MOTION COMPENSATION WITH REFERENCE SUBSAMPLING - Google Patents

FILTERS FOR INTERPOLATION BY MOTION COMPENSATION WITH REFERENCE SUBSAMPLING Download PDF

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Publication number
EP4035384A4
EP4035384A4 EP20868195.7A EP20868195A EP4035384A4 EP 4035384 A4 EP4035384 A4 EP 4035384A4 EP 20868195 A EP20868195 A EP 20868195A EP 4035384 A4 EP4035384 A4 EP 4035384A4
Authority
EP
European Patent Office
Prior art keywords
subsampling
interpolation
filters
motion compensation
compensation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20868195.7A
Other languages
German (de)
French (fr)
Other versions
EP4035384A1 (en
Inventor
Jiancong Luo
Yan Ye
Mohammed Golam Sarwer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alibaba Innovation Private Ltd
Original Assignee
Alibaba Group Holding Ltd
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Filing date
Publication date
Application filed by Alibaba Group Holding Ltd filed Critical Alibaba Group Holding Ltd
Publication of EP4035384A1 publication Critical patent/EP4035384A1/en
Publication of EP4035384A4 publication Critical patent/EP4035384A4/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/182—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a pixel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP20868195.7A 2019-09-23 2020-08-20 FILTERS FOR INTERPOLATION BY MOTION COMPENSATION WITH REFERENCE SUBSAMPLING Pending EP4035384A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962904608P 2019-09-23 2019-09-23
US201962906930P 2019-09-27 2019-09-27
PCT/US2020/047249 WO2021061312A1 (en) 2019-09-23 2020-08-20 Filters for motion compensation interpolation with reference down-sampling

Publications (2)

Publication Number Publication Date
EP4035384A1 EP4035384A1 (en) 2022-08-03
EP4035384A4 true EP4035384A4 (en) 2023-08-16

Family

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EP20868195.7A Pending EP4035384A4 (en) 2019-09-23 2020-08-20 FILTERS FOR INTERPOLATION BY MOTION COMPENSATION WITH REFERENCE SUBSAMPLING

Country Status (6)

Country Link
US (5) US11317122B2 (en)
EP (1) EP4035384A4 (en)
JP (3) JP7653415B2 (en)
KR (1) KR20220063274A (en)
CN (9) CN120547351A (en)
WO (1) WO2021061312A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7653415B2 (en) * 2019-09-23 2025-03-28 アリババ グループ ホウルディング リミテッド Filters for motion-compensated interpolation with reference downsampling.
EP4082195A4 (en) * 2019-12-24 2023-06-28 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatuses for reference picture resampling
US12519937B2 (en) * 2022-03-04 2026-01-06 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Integerization for interpolation filter design in video coding
US12519973B2 (en) * 2023-12-18 2026-01-06 Sharp Kabushiki Kaisha Systems and methods for performing motion compensation for bi-prediction in video coding
WO2025170457A1 (en) * 2024-02-08 2025-08-14 엘지전자 주식회사 Image encoding/decoding method and apparatus, and recording medium storing bitstream
WO2025193012A1 (en) * 2024-03-15 2025-09-18 엘지전자 주식회사 Image encoding/decoding method and apparatus, and recording medium for storing bitstream
US12401829B1 (en) * 2024-04-05 2025-08-26 Sharp Kabushiki Kaisha Systems and methods for performing motion compensation for bi-prediction in video coding
US12519936B2 (en) * 2024-06-20 2026-01-06 Sharp Kabushiki Kaisha Systems and methods for performing motion compensation for bi-prediction based on subblock dimensions in video coding

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1388143A2 (en) * 2001-05-16 2004-02-11 Telefonaktiebolaget LM Ericsson (publ) A method for removing aliasing in wave table based synthesisers
AU2003253900A1 (en) * 2002-07-16 2004-02-02 Thomson Licensing S.A. Interleaving of base and enhancement layers for hd-dvd
KR100624429B1 (en) * 2003-07-16 2006-09-19 삼성전자주식회사 A video encoding/ decoding apparatus and method for color image
CN101677402B (en) * 2004-09-16 2012-04-18 汤姆逊许可证公司 Method and apparatus for rapid video frame and field coding
US7715573B1 (en) 2005-02-28 2010-05-11 Texas Instruments Incorporated Audio bandwidth expansion
US7956930B2 (en) 2006-01-06 2011-06-07 Microsoft Corporation Resampling and picture resizing operations for multi-resolution video coding and decoding
US7746924B2 (en) * 2006-05-09 2010-06-29 Hewlett-Packard Development Company, L.P. Determination of filter weights
US7907789B2 (en) * 2007-01-05 2011-03-15 Freescale Semiconductor, Inc. Reduction of block effects in spatially re-sampled image information for block-based image coding
WO2011128272A2 (en) * 2010-04-13 2011-10-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Hybrid video decoder, hybrid video encoder, data stream
CN104980738B (en) * 2010-09-30 2017-04-12 三星电子株式会社 Method And Device For Interpolating Images By Using A Smoothing Interpolation Filter
GB2501535A (en) * 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
US9596465B2 (en) * 2013-01-04 2017-03-14 Intel Corporation Refining filter for inter layer prediction of scalable video coding
MY187403A (en) * 2015-09-25 2021-09-22 Huawei Tech Co Ltd Apparatus and method for video motion compensation with selectable interpolation filter
WO2017069588A1 (en) * 2015-10-22 2017-04-27 엘지전자(주) Method for encoding/decoding image and device therefor
EP3185556A1 (en) 2015-12-21 2017-06-28 Thomson Licensing Method and apparatus for combined adaptive resolution and internal bit-depth increase coding
GB2548358A (en) * 2016-03-15 2017-09-20 Nokia Technologies Oy A method, an apparatus and a computer program product for coding a 360-degree panoramic images and video
KR102393736B1 (en) * 2017-04-04 2022-05-04 한국전자통신연구원 Method and apparatus for coding video
SG11202112279WA (en) 2019-05-11 2021-12-30 Beijing Bytedance Network Technology Co Ltd Selective use of coding tools in video processing
KR20220024659A (en) 2019-06-24 2022-03-03 알리바바 그룹 홀딩 리미티드 Adaptive resolution change in video processing
CN114616826B (en) 2019-08-06 2026-04-28 Op方案有限责任公司 Implicit flags for frame type-based adaptive resolution management
WO2021026363A1 (en) 2019-08-06 2021-02-11 Op Solutions, Llc Implicit signaling of adaptive resolution management based on frame type
JP7653415B2 (en) * 2019-09-23 2025-03-28 アリババ グループ ホウルディング リミテッド Filters for motion-compensated interpolation with reference downsampling.

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
DAI W ET AL: "Advanced Resampling Filters For HEVC Applications", 7. JCT-VC MEETING; 98. MPEG MEETING; 21-11-2011 - 30-11-2011; GENEVA; (JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ); URL: HTTP://WFTP3.ITU.INT/AV-ARCH/JCTVC-SITE/, no. JCTVC-G862, 9 November 2011 (2011-11-09), XP030110846 *
LUO (ALIBABA-INC) J ET AL: "CE1-related: Reference picture resampling filters", no. JVET-P0353 ; m50320, 10 October 2019 (2019-10-10), XP030217047, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P0353-v6.zip JVET-P0353-v5-clean.docx> [retrieved on 20191010] *
PU W ET AL: "SCE4: Results of Test 4.2.2 on Adaptive Re-Sampling Filter", 13. JCT-VC MEETING; 104. MPEG MEETING; 18-4-2013 - 26-4-2013; INCHEON; (JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ); URL: HTTP://WFTP3.ITU.INT/AV-ARCH/JCTVC-SITE/, no. JCTVC-M0267, 9 April 2013 (2013-04-09), XP030114224 *
SAMUELSSON (SHARPLABS) J ET AL: "AHG8: Adaptive Resolution Change (ARC) with downsampling", no. JVET-O0240 ; m48350, 5 July 2019 (2019-07-05), XP030218946, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/15_Gothenburg/wg11/JVET-O0240-v2.zip JVET-O0240-v2.docx> [retrieved on 20190705] *
SAMUELSSON (SHARPLABS) J ET AL: "AHG8: On Adaptive Resolution Change (ARC) High-Level Syntax (HLS)", no. JVET-O0204 ; m48313, 5 July 2019 (2019-07-05), XP030218840, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/15_Gothenburg/wg11/JVET-O0204-v3.zip JVET-O0204-v3.docx> [retrieved on 20190705] *
SAMUELSSON (SHARPLABS) J ET AL: "CE1-1: RPR downsampling filter", no. JVET-P0088, 19 September 2019 (2019-09-19), XP030216214, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P0088-v1.zip JVET-P0088.docx> [retrieved on 20190919] *
See also references of WO2021061312A1 *
YATES RANDY: "Practical Considerations in Fixed-Point FIR Filter", 1 September 2010 (2010-09-01), Digital Signal Labs, pages 1 - 15, XP093060691, Retrieved from the Internet <URL:http://www.digitalsignallabs.com/downloads/fir.pdf> [retrieved on 20230704] *

Also Published As

Publication number Publication date
CN120416507A (en) 2025-08-01
WO2021061312A1 (en) 2021-04-01
US20210092457A1 (en) 2021-03-25
JP7653415B2 (en) 2025-03-28
CN114667734B (en) 2025-07-11
CN120416506A (en) 2025-08-01
US20250324102A1 (en) 2025-10-16
CN120416503A (en) 2025-08-01
JP2022548521A (en) 2022-11-21
CN120416508A (en) 2025-08-01
CN114667734A (en) 2022-06-24
US20250324101A1 (en) 2025-10-16
CN120416505A (en) 2025-08-01
CN120547351A (en) 2025-08-26
CN120547352A (en) 2025-08-26
JP2025111416A (en) 2025-07-30
US11889121B2 (en) 2024-01-30
US11317122B2 (en) 2022-04-26
JP2025111417A (en) 2025-07-30
US20240137575A1 (en) 2024-04-25
KR20220063274A (en) 2022-05-17
US12348785B2 (en) 2025-07-01
US20220239952A1 (en) 2022-07-28
EP4035384A1 (en) 2022-08-03
CN120416504A (en) 2025-08-01

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